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Finding the Fourth Proportional to 217,907.66, 326,880.30 and 60,136.10

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Solution

The fourth proportional to 217,907.66, 326,880.30 and 60,136.10 is: 90,209.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,907.66 : 326,880.30 = 60,136.10 : x
  2. Step 2: Convert to fraction form
    217,907.66/326,880.30 = 60,136.10/x
  3. Step 3: Cross multiply
    217,907.66x = 326,880.30 × 60,136.10
  4. Step 4: Simplify right side
    217,907.66x = 19,657,306,408.83
  5. Step 5: Solve for x
    x = 19,657,306,408.83/217,907.66
  6. Step 6: Final answer
    x = 90,209.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.